Loading
Rockwell Automation Home
  • Industries
    • Industries Chevron RightChevron Right
      • Aerospace
      • Automotive & Tire
      • Cement
      • Chemical
      • Entertainment
      • Fibers & Textiles
      • Food & Beverage
      • Household & Personal Care
      • Infrastructure
      • Life Sciences
      • Marine
      • Metals
      • Mining
      • Oil & Gas
      • Power Generation
      • Print & Publishing
      • Pulp & Paper
      • Semiconductor
      • Water Wastewater
      • View All
    Industries
    Case StudyRockwell Automation's case studies Case Studies DistributorDistributor How to Buy EventEvent Events
  • Capabilities
    • Capabilities Chevron RightChevron Right
      • Academy of Advanced Manufacturing
      • The Connected Enterprise®
      • Consulting & Integration Services
      • Cybersecurity
      • Digital Transformation
      • EPC
      • Industrial Analytics
      • Industrial Automation & Control
      • Industrial Maintenance & Support
      • Industrial Networks
      • Lifecycle Services
      • Machine & Equipment Builders
      • MES Solutions
      • Process Solutions
      • Safety Solutions
      • View All
    Capabilities
    Blogs DistributorDistributor How to Buy EventEvent Events
  • Products
    • Hardware Chevron RightChevron Right
    • Software Chevron RightChevron Right
      • Circuit & Load Protection
      • Condition Monitoring
      • Connection Devices
      • Distributed Control Systems
      • Drives & Motors
      • Energy Monitoring
      • Human Machine Interface
      • Independent Cart Technology
      • Industrial Computers & Monitors
      • Input/Output Modules
      • Industrial Control Products
      • Lighting Control
      • Motion Control
      • Motor Control
      • Networks Security & Infrastructure
      • Packaged Solutions
      • Power Supplies
      • Programmable Controllers
      • Push Buttons & Signaling Devices
      • Relays & Timers
      • Safety Instrumented Systems
      • Safety Products
      • Sensors & Switches
      • Signal Interface
      • View All Hardware Products
    • DesignSuite
      • Dynamic Digital Twin Software
      • Studio 5000 Design Software
    • OperationSuite
      • FactoryTalk Edge Gateway
      • FactoryTalk Batch
      • FactoryTalk Historian
      • FactoryTalk View - HMI Software
      • FactoryTalk Metrics
      • Factory Talk Analytics Augmented Modeler
      • FactoryTalk Analytics LogixAI
    • MaintenanceSuite
      • FactoryTalk Analytics for Devices
      • FactoryTalk AssetCentre
      • FactoryTalk Emonitor
      • FactoryTalk Network Manager
      • FactoryTalk TeamONE
      • Fiix CMMS
    • InnovationSuite
      • Augmented Reality
      • FactoryTalk Analytics
      • MES
      • ThingWorx IIoT Platform
      • FactoryTalk Analytics Edge ML
    Products
    Find Products by Our Brands: Allen-Bradley FactoryTalk
  • Support
    • Product Support Chevron RightChevron Right
    • Documentation Chevron RightChevron Right
    • Knowledgebase Chevron RightChevron Right
    • Training Chevron RightChevron Right
    • Downloads
      • 2D & 3D Drawings
      • Activations
      • Add-on Profiles
      • Application Code Libraries
      • Compatibility & Downloads
      • Drivers & Firmware
      • Electronic Datasheets
      • EPLAN Macros
      • Sample Code Library
      • Software Patches
      • View All
    • Selection & Configuration
      • Integrated Architecture Builder
      • Control Systems Configuration Tools
      • Procurement Specifications
      • ProposalWorks Proposal Builder
      • Global Short-circuit Current Ratings Tool
      • View All
    • Compatibility & Migration
      • Migration & Modernization
      • Lifecycle Status
      • Product Replacement Lookup
      • View All
      • Technical Documentation Center
      • Technical Specifications
      • Product Certifications
      • Product Drawings
      • Release Notes
      • Literature Library
    • Support Center
      • Support Options
      • Search for Answers
      • Chat Online
      • Call Us
      • View All
    • Online Forum
      • My Inbox
      • My Favorites
      • My Subscriptions
      • View All
    • My TechConnect
      • Chat History
      • Service Ticket History
      • Manage Your Favorite Answers
      • Field Service Request
      • View All
      • E-Learning Courses
      • Instructor-led Courses
      • Training Workstations
      • View All
    Support
    Contact Us HelpHelp Get Support LaunchpadTools and applications View All Tools
  • Company
    • Events Chevron RightChevron Right
    • News Chevron RightChevron Right
    • Careers Chevron RightChevron Right
    • PartnerNetwork Chevron RightChevron Right
    • About Us Chevron RightChevron Right
    • Featured Events
      • Automation Fair
      • Process Solutions User Group
      • Rockwell Automation On The Move
      • Rockwell Automation TechEd
      • ROKLive
      • PACK EXPO CONNECTS
      • View All
    • Webinars
      • Live
      • On-Demand
      • View All
      • Blogs
      • Case Studies
      • The Journal
      • Podcasts
      • Press Releases
      • View All
      • View Jobs
      • Teams & People
      • Hackathon
      • Employee Video Spotlight
      • View All
      • Authorized Distributors
      • Digital Partners
      • Licensed Developers
      • OEM Partners
      • Strategic Alliance Partners
      • System Integrator Partners
      • Technology Partners
      • PartnerNetwork Portal
      • View All
      • Our Brands
      • Our Community
      • Our History
      • Integrity & Sustainability
      • Investor Relations
      • View All
    Company
    ProductivityProductivity Investor Relations
  • Sales
  • Sales
  • View All Industries
  • View All
  • View All
  • View All
  • View All
  • Aerospace
  • Automotive & Tire
  • Cement
  • Chemical
  • Entertainment
  • Fibers & Textiles
  • Food & Beverage
  • Household & Personal Care
  • Infrastructure
  • Life Sciences
  • Marine
  • Metals
  • Mining
  • Oil & Gas
  • Power Generation
  • Print & Publishing
  • Pulp & Paper
  • Semiconductor
  • Water Wastewater
  • View All
  • Academy of Advanced Manufacturing
  • The Connected Enterprise®
  • Consulting & Integration Services
  • Cybersecurity
  • Digital Transformation
  • EPC
  • Industrial Analytics
  • Industrial Automation & Control
  • Industrial Maintenance & Support
  • Industrial Networks
  • Lifecycle Services
  • Machine & Equipment Builders
  • MES Solutions
  • Process Solutions
  • Safety Solutions
  • View All
  • Circuit & Load Protection
  • Condition Monitoring
  • Connection Devices
  • Distributed Control Systems
  • Drives & Motors
  • Energy Monitoring
  • Human Machine Interface
  • Industrial Computers & Monitors
  • Input/Output Modules
  • Industrial Control Products
  • Lighting Control
  • Motion Control
  • Motor Control
  • Networks Security & Infrastructure
  • Packaged Solutions
  • Power Supplies
  • Programmable Controllers
  • Push Buttons & Signaling Devices
  • Relays & Timers
  • Safety Instrumented Systems
  • Safety Products
  • Sensors & Switches
  • Signal Interface
  • View All Hardware Products
  • View All
  • View All
  • Technical Documentation Center
  • Technical Specifications
  • Product Certifications
  • Product Drawings
  • Release Notes
  • Literature Library
  • View All
  • E-Learning Courses
  • Instructor-led Courses
  • Training Workstations
  • View All
  • View All
  • Blogs
  • Case Studies
  • The Journal
  • Press Releases
  • View All
  • View Jobs
  • Hackathon
  • Employee Video Spotlight
  • View All
  • Authorized Distributors
  • Digital Partners
  • Licensed Developers
  • OEM Partners
  • System Integrator Partners
  • Technology Partners
  • PartnerNetwork Portal
  • View All
  • Our Brands
  • Our History
  • Investor Relations
  • View All
  • iTRAK Intelligent Track Systems
  • MagneMover Lite Intelligent Conveyor System
  • QuickStick Intelligent Conveyor System
  • View All
  • Dynamic Digital Twin Software
  • Studio 5000 Design Software
  • FactoryTalk Edge Gateway
  • FactoryTalk Batch
  • FactoryTalk Historian
  • FactoryTalk View - HMI Software
  • FactoryTalk Metrics
  • Factory Talk Analytics Augmented Modeler
  • FactoryTalk Analytics LogixAI
  • FactoryTalk Analytics for Devices
  • FactoryTalk AssetCentre
  • FactoryTalk Emonitor
  • FactoryTalk Network Manager
  • FactoryTalk TeamONE
  • Fiix CMMS
  • Augmented Reality
  • FactoryTalk Analytics
  • MES
  • ThingWorx IIoT Platform
  • FactoryTalk Analytics Edge ML
  • 2D & 3D Drawings
  • Activations
  • Add-on Profiles
  • Application Code Libraries
  • Compatibility & Downloads
  • Drivers & Firmware
  • Electronic Datasheets
  • EPLAN Macros
  • Sample Code Library
  • Software Patches
  • View All
  • Integrated Architecture Builder
  • Control Systems Configuration Tools
  • Procurement Specifications
  • ProposalWorks Proposal Builder
  • Global Short-circuit Current Ratings Tool
  • View All
  • Migration & Modernization
  • Lifecycle Status
  • Product Replacement Lookup
  • View All
  • Support Options
  • Search for Answers
  • Chat Online
  • Call Us
  • View All
  • My Inbox
  • My Favorites
  • My Subscriptions
  • View All
  • Chat History
  • Service Ticket History
  • Manage Your Favorite Answers
  • Field Service Request
  • View All
  • Automation Fair
  • Process Solutions User Group
  • Rockwell Automation On The Move
  • Rockwell Automation TechEd
  • ROKLive
  • PACK EXPO CONNECTS
  • View All
  • Live
  • On-Demand
  • View All
  • #ROKLive Podcast Series
  • ROK Talk on Safety, Sensing Connectivity Podcast Series
  • ROK Talk on Industrial Components Podcast Series
  • ROK Talk on Drives Podcast Series
  • View All
  • Students & New Grads
  • View All
  • Cisco Partnership
  • Endress+Hauser
  • FANUC
  • Microsoft
  • Panduit
  • View All
  • Our Focused Giving
  • STEM Education
  • Lifelong Learning
  • View All
  • Sustainability Report
  • Our Commitment to Diversity, Equity and Inclusion
  • Environmental, Health, & Safety
  • Ethics & Compliance
  • Global Supply Chain & Sourcing
  • Product Environmental Compliance
  • Quality Management Systems
  • Trust & Security
  • Workforce of Tomorrow
  • View All
Case StudyRockwell Automation's case studies Case Studies DistributorDistributor How to Buy EventEvent Events
Blogs DistributorDistributor How to Buy EventEvent Events
Find Products by Our Brands:
Allen-Bradley FactoryTalk
Contact Us HelpHelp Get Support LaunchpadTools and applications View All Tools
ProductivityProductivity Investor Relations
  • Literature LibraryLiterature Library
    Literature Library

    Access technical and commercial publications for hardware and software products, applications, services and solutions.

    PCDCProduct Compatibility and Download Center
    Compatibility & Downloads

    Find downloads including firmware, release notes, associated software, drivers, tools and utilities.

    KnowledgebaseKnowledgebase Support Center
    Knowledgebase

    Browse the database of questions and answers on a variety of products and technologies.

    Product ConfiguratorProduct Configurator
    Product Configurator

    Configure and select products rapidly.

    Software SubscriptionsSoftware Subscriptions
    Software Subscriptions

    One stop shopping for software and subscription services.

    2D & 3D Drawings Bill of Materials CrossWorks Electronic Datasheets Motion Analyzer My Equipment My Training E-Learning Portal Product Lifecycle Status Product Registration Product Selection Toolbox Repairs Sample Code Library Software Activations View All
    Tools
    UserUser Sign In/Create an Account
  • User Account User
Tools
Literature LibraryLiterature Library
Literature Library
PCDCProduct Compatibility and Download Center
Compatibility & Downloads
KnowledgebaseKnowledgebase Support Center
Knowledgebase
Product ConfiguratorProduct Configurator
Product Configurator
Software SubscriptionsSoftware Subscriptions
Software Subscriptions
2D & 3D Drawings Bill of Materials CrossWorks Electronic Datasheets Motion Analyzer My Equipment My Training E-Learning Portal Product Lifecycle Status Product Registration Product Selection Toolbox Repairs Sample Code Library Software Activations View All
Allen-Bradley Hardware Product

CompactBlock LDX I/O

  • Main Image
Main Image

Our Bulletin 1790D CompactBlock™ LDX I/O modules are a cost-effective distributed I/O solution for light industrial environments where high-protection specifications and advanced performance features are not required. Base blocks include I/O points and a built-in DeviceNet™ network adapter. Digital I/O expansion blocks provide the flexibility to add I/O points to your CompactBlock LDX I/O system.

Contact a Distributor Find A Sales Office
SupportSupport
Get Support
DistributorDistributor
Find a Product Partner
Popular Resources/Quicklinks
CompactBlock I/O, CompactBlock LDX I/O Selection Guide CompactBlock LDX I/O for DeviceNet Technical Data CompactBlock LDX Analog I/O User Manual
1790 CompactBlock LDX I/O
  • Overview
  • Product Selection
  • Specifications
  • Software
  • Documentation
Contact a Distributor

Overview

  • Includes compact package for easy installation in confined areas, including wireways and operator terminals
  • Offers base blocks that provide 4…32 I/O points
  • Includes built-in DeviceNet™ network connectivity
  • Allows addition of expansion blocks to a base block for up to 80 points per node
  • Includes universal sink/source inputs which reduce the number of components to stock and provide flexibility of input types
  • Includes node address switches and autobaud rate detection which simplifies network commissioning
  • Offers choice of fixed screw terminals, or D-shell connector for convenient disconnection

1790 CompactBlock™ LDX Digital I/O Base Blocks

  • 24V DC, 120V AC, and relay outputs
  • Up to 32 I/O points per block
  • Each base block supports up to three expansion blocks

1790 CompactBlock LDX Analog I/O Base Blocks

  • Up to  four I/O points per block
  • 16-bit integer data format
  • Each base block supports up to two expansion blocks

1790 CompactBlock LDX Thermocouple and RTD I/O Base Blocks

  • 16-bit integer (2's complement) data format
  • Thermocouple and RTD base blocks do not support expansion blocks

1790 CompactBlock LDX Digital I/O Expansion Blocks

  • Add to base blocks to expand the I/O assembly up to 80 I/O points
  • 24V DC, 120V AC, and relay outputs
  • 8 or 16 I/O points per block
  • Compatible with all base blocks, except for thermocouple and RTD base blocks
  • Includes 7-cm ribbon cable connector

Product Selection


Specifications

DownloadDownload
CompactBlock LDX I/O for DeviceNet Technical Data
Certifications
CE MarkingCE Marking
C-TICK CertificationC-TICK Certification
UL Marked Component Mark Canadian and United States RequirementsUL Marked Component Mark Canadian and United States Requirements
DeviceNetDeviceNet
  • c-UL-us Class I Div 2 Hazardous
  • CE
  • C-Tick
  • ODVA
  • Enclosure meets IP20.
Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.

Product Catalog

Software

FactoryTalk Network Manager
Main Image
Software
FactoryTalk Network Manager

FactoryTalk® Network Manager software provides increased visibility and insight into the performance of your network in context of your automation assets.

CompactBlock™ LDX I/O modules require RSNetWorx configuration software.

Get Started
Electronic Data Sheets (EDS)

Use EDS files with network configuration tools to help you identify products and easily commission them on a network. Use our Product Compatibility Download Center or our EPS library to search for the EDS files.

Explore the EDS library Search PCDC for EDS files
FactoryTalk Software
Main Image
Software
FactoryTalk Software

Each FactoryTalk offering centers on driving your business performance. From the design and commissioning phase on through to board room level data needs, we can bring together value to all users in your operation.

Learn More

Documentation

Resource Publication Number Language
CompactBlock I/O, CompactBlock LDX I/O Selection Guide 1790-SG001
CompactBlock LDX I/O for DeviceNet Technical Data 1790D-TD001
CompactBlock LDX Analog I/O User Manual 1790-UM001
Literature LibraryLiterature Library
Literature Library

Browse Literature Library where you can search for additional technical and commercial publications in more languages.

 

Search Literature Library

KnowledgebaseKnowledgebase Support Center
Knowledgebase

Visit our online resource for technical information, support chat and forums, software updates and product safety advisories/notices.

 

Get Support

  1. Chevron LeftChevron Left United States Chevron RightChevron Right
  2. Chevron LeftChevron Left Pro... Chevron RightChevron Right
  3. Chevron LeftChevron Left Har... Chevron RightChevron Right
  4. Chevron LeftChevron Left I/O Chevron RightChevron Right
  5. Chevron LeftChevron Left In-Cabinet Block I/O Chevron RightChevron Right
  6. Chevron LeftChevron Left 1790 CompactBlock LDX I/O Chevron RightChevron Right
Discover
  • The Connected Enterprise®
  • Create Your Account
  • Case Studies
  • Events
Information for...
  • Distributors
  • OEM
  • System Integrators
  • Technology Partners
  • Investors
  • Career Seekers
  • Avoid Unauthorized Sources
Contact Us
  • General Questions
  • Technical Questions
  • How to Buy
  • Local Sales & Service
  • Pricing & Availability
  • Report Ethical Concerns
Site Information
  • Legal
  • Privacy Policy
  • Cookie Preferences
  • Terms of Use
  • Trademarks
Change Country Site SelectionChange RockwellAutomation.com site selection to a different country, region or language Change Country
United States/English

Keep Updated With Us

Sign up to receive our latest headlines for free.

Stay Informed Now
Follow Us
BlogRockwell Automation's Blog
Copyright ©2021 Rockwell Automation, Inc.
United States
  • Technical Question
  • Chat Technical Support
  • Phone Support
  • Contact Sales
  • General Questions